EESchema Schematic File Version 2
LIBS:microchip-local
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:linear-local
LIBS:mcp2200
LIBS:crystal
LIBS:pic_conso-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L PIC18F27J53 U3
U 1 1 585C1BBD
P 5300 3250
F 0 "U3" H 4600 4200 50  0000 L CNN
F 1 "PIC18F27J53" H 6000 4200 50  0000 R CNN
F 2 "Housings_DIP:DIP-28_W7.62mm" H 4800 2750 50  0001 C CNN
F 3 "" H 5300 3200 50  0000 C CNN
	1    5300 3250
	1    0    0    -1  
$EndComp
$Comp
L LM7805CT U4
U 1 1 585C1D1D
P 9700 4300
F 0 "U4" H 9850 4104 50  0000 C CNN
F 1 "7833" H 9700 4500 50  0000 C CNN
F 2 "TO_SOT_Packages_THT:TO-92_Inline_Wide" H 9700 4300 50  0001 C CNN
F 3 "" H 9700 4300 50  0000 C CNN
	1    9700 4300
	1    0    0    -1  
$EndComp
$Comp
L +3.3V #PWR01
U 1 1 585C2068
P 10450 4200
F 0 "#PWR01" H 10450 4050 50  0001 C CNN
F 1 "+3.3V" H 10450 4340 50  0000 C CNN
F 2 "" H 10450 4200 50  0000 C CNN
F 3 "" H 10450 4200 50  0000 C CNN
	1    10450 4200
	1    0    0    -1  
$EndComp
$Comp
L +5V #PWR02
U 1 1 585C208C
P 9200 4200
F 0 "#PWR02" H 9200 4050 50  0001 C CNN
F 1 "+5V" H 9200 4340 50  0000 C CNN
F 2 "" H 9200 4200 50  0000 C CNN
F 3 "" H 9200 4200 50  0000 C CNN
	1    9200 4200
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR03
U 1 1 585C20C6
P 9700 5050
F 0 "#PWR03" H 9700 4800 50  0001 C CNN
F 1 "GND" H 9700 4900 50  0000 C CNN
F 2 "" H 9700 5050 50  0000 C CNN
F 3 "" H 9700 5050 50  0000 C CNN
	1    9700 5050
	1    0    0    -1  
$EndComp
$Comp
L USB_B P6
U 1 1 585D351B
P 8450 4350
F 0 "P6" H 8650 4150 50  0000 C CNN
F 1 "USB_B" H 8400 4550 50  0000 C CNN
F 2 "Connect:USB_B" V 8400 4250 50  0001 C CNN
F 3 "" V 8400 4250 50  0000 C CNN
	1    8450 4350
	0    1    1    0   
$EndComp
$Comp
L C_Small C4
U 1 1 585D3852
P 5150 4200
F 0 "C4" H 5160 4270 50  0000 L CNN
F 1 "100nF" H 5160 4120 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 5150 4200 50  0001 C CNN
F 3 "" H 5150 4200 50  0000 C CNN
	1    5150 4200
	1    0    0    -1  
$EndComp
$Comp
L C_Small C5
U 1 1 585D388D
P 5400 4200
F 0 "C5" H 5410 4270 50  0000 L CNN
F 1 "100nF" H 5410 4120 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 5400 4200 50  0001 C CNN
F 3 "" H 5400 4200 50  0000 C CNN
	1    5400 4200
	1    0    0    -1  
$EndComp
$Comp
L C_Small C6
U 1 1 585D38C0
P 5650 4200
F 0 "C6" H 5660 4270 50  0000 L CNN
F 1 "100nF" H 5660 4120 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 5650 4200 50  0001 C CNN
F 3 "" H 5650 4200 50  0000 C CNN
	1    5650 4200
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR04
U 1 1 585D3B09
P 5050 4350
F 0 "#PWR04" H 5050 4100 50  0001 C CNN
F 1 "GND" H 5050 4200 50  0000 C CNN
F 2 "" H 5050 4350 50  0000 C CNN
F 3 "" H 5050 4350 50  0000 C CNN
	1    5050 4350
	1    0    0    -1  
$EndComp
$Comp
L +3.3V #PWR05
U 1 1 585D3D04
P 5700 4000
F 0 "#PWR05" H 5700 3850 50  0001 C CNN
F 1 "+3.3V" H 5700 4140 50  0000 C CNN
F 2 "" H 5700 4000 50  0000 C CNN
F 3 "" H 5700 4000 50  0000 C CNN
	1    5700 4000
	0    1    1    0   
$EndComp
$Comp
L CP_Small C8
U 1 1 585D46D4
P 9200 4500
F 0 "C8" H 9210 4570 50  0000 L CNN
F 1 "10µF" H 9210 4420 50  0000 L CNN
F 2 "Capacitors_SMD:C_1210_HandSoldering" H 9200 4500 50  0001 C CNN
F 3 "" H 9200 4500 50  0000 C CNN
	1    9200 4500
	1    0    0    -1  
$EndComp
$Comp
L CP_Small C9
U 1 1 585D474A
P 10450 4500
F 0 "C9" H 10460 4570 50  0000 L CNN
F 1 "10µF" H 10460 4420 50  0000 L CNN
F 2 "Capacitors_SMD:C_1210_HandSoldering" H 10450 4500 50  0001 C CNN
F 3 "" H 10450 4500 50  0000 C CNN
	1    10450 4500
	1    0    0    -1  
$EndComp
$Comp
L CONN_01X04 P5
U 1 1 585D4B1B
P 6750 2600
F 0 "P5" H 6750 2850 50  0000 C CNN
F 1 "CONN_01X04" V 6850 2600 50  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x04" H 6750 2600 50  0001 C CNN
F 3 "" H 6750 2600 50  0000 C CNN
	1    6750 2600
	1    0    0    -1  
$EndComp
$Comp
L R_Small R13
U 1 1 585D4E9D
P 6350 2450
F 0 "R13" V 6300 2300 50  0000 L CNN
F 1 "1k" V 6400 2550 50  0000 L CNN
F 2 "Resistors_ThroughHole:Resistor_Horizontal_RM10mm" H 6350 2450 50  0001 C CNN
F 3 "" H 6350 2450 50  0000 C CNN
	1    6350 2450
	0    1    1    0   
$EndComp
$Comp
L R_Small R14
U 1 1 585D5133
P 6350 2550
F 0 "R14" V 6300 2400 50  0000 L CNN
F 1 "1k" V 6400 2650 50  0000 L CNN
F 2 "Resistors_ThroughHole:Resistor_Horizontal_RM10mm" H 6350 2550 50  0001 C CNN
F 3 "" H 6350 2550 50  0000 C CNN
	1    6350 2550
	0    1    1    0   
$EndComp
$Comp
L R_Small R15
U 1 1 585D516D
P 6350 2650
F 0 "R15" V 6300 2500 50  0000 L CNN
F 1 "1k" V 6400 2750 50  0000 L CNN
F 2 "Resistors_ThroughHole:Resistor_Horizontal_RM10mm" H 6350 2650 50  0001 C CNN
F 3 "" H 6350 2650 50  0000 C CNN
	1    6350 2650
	0    1    1    0   
$EndComp
$Comp
L R_Small R16
U 1 1 585D51AA
P 6350 2750
F 0 "R16" V 6300 2600 50  0000 L CNN
F 1 "1k" V 6400 2850 50  0000 L CNN
F 2 "Resistors_ThroughHole:Resistor_Horizontal_RM10mm" H 6350 2750 50  0001 C CNN
F 3 "" H 6350 2750 50  0000 C CNN
	1    6350 2750
	0    1    1    0   
$EndComp
$Comp
L AD623 U1
U 1 1 585D5B75
P 3000 2700
F 0 "U1" H 3050 2900 50  0000 L CNN
F 1 "AD623" H 3100 2800 50  0000 L CNN
F 2 "Housings_DIP:DIP-8_W7.62mm" H 3000 2700 50  0001 C CNN
F 3 "" H 3000 2700 50  0000 C CNN
	1    3000 2700
	1    0    0    -1  
$EndComp
$Comp
L R_Small R8
U 1 1 585D6248
P 3050 3100
F 0 "R8" V 3000 2950 50  0000 L CNN
F 1 "11k" V 3100 3200 50  0000 L CNN
F 2 "Resistors_ThroughHole:Resistor_Horizontal_RM10mm" H 3050 3100 50  0001 C CNN
F 3 "" H 3050 3100 50  0000 C CNN
	1    3050 3100
	0    1    1    0   
$EndComp
$Comp
L CONN_02X03 J2
U 1 1 585D63A9
P 2400 2950
F 0 "J2" H 2400 3150 50  0000 C CNN
F 1 "CONN_02X03" H 2400 2750 50  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_2x03" H 2400 1750 50  0001 C CNN
F 3 "" H 2400 1750 50  0000 C CNN
	1    2400 2950
	0    -1   -1   0   
$EndComp
$Comp
L +3.3V #PWR06
U 1 1 585D692D
P 2900 2250
F 0 "#PWR06" H 2900 2100 50  0001 C CNN
F 1 "+3.3V" H 2900 2390 50  0000 C CNN
F 2 "" H 2900 2250 50  0000 C CNN
F 3 "" H 2900 2250 50  0000 C CNN
	1    2900 2250
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR07
U 1 1 585D69B6
P 3250 2300
F 0 "#PWR07" H 3250 2050 50  0001 C CNN
F 1 "GND" H 3250 2150 50  0000 C CNN
F 2 "" H 3250 2300 50  0000 C CNN
F 3 "" H 3250 2300 50  0000 C CNN
	1    3250 2300
	0    -1   -1   0   
$EndComp
$Comp
L C_Small C2
U 1 1 585D6D9C
P 3050 2300
F 0 "C2" V 3100 2350 50  0000 L CNN
F 1 "100nF" V 2950 2300 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 3050 2300 50  0001 C CNN
F 3 "" H 3050 2300 50  0000 C CNN
	1    3050 2300
	0    1    1    0   
$EndComp
$Comp
L R_Small R4
U 1 1 585D787D
P 2300 2450
F 0 "R4" V 2250 2300 50  0000 L CNN
F 1 "0.05" V 2350 2550 50  0000 L CNN
F 2 "Resistors_ThroughHole:Resistor_Horizontal_RM25mm" H 2300 2450 50  0001 C CNN
F 3 "" H 2300 2450 50  0000 C CNN
	1    2300 2450
	-1   0    0    1   
$EndComp
$Comp
L CONN_01X03 P2
U 1 1 585D7BFD
P 1750 2700
F 0 "P2" H 1750 2900 50  0000 C CNN
F 1 "CONN_01X03" V 1850 2700 50  0000 C CNN
F 2 "Terminal_Blocks:TerminalBlock_Pheonix_MPT-2.54mm_3pol" H 1750 2700 50  0001 C CNN
F 3 "" H 1750 2700 50  0000 C CNN
	1    1750 2700
	-1   0    0    1   
$EndComp
$Comp
L USB_A P1
U 1 1 585D7EE0
P 1150 2700
F 0 "P1" H 1350 2500 50  0000 C CNN
F 1 "USB_A" H 1100 2900 50  0000 C CNN
F 2 "Connect:USB_A" V 1100 2600 50  0001 C CNN
F 3 "" V 1100 2600 50  0000 C CNN
	1    1150 2700
	0    -1   -1   0   
$EndComp
$Comp
L LM285LP U2
U 1 1 585D9BF2
P 3800 3200
F 0 "U2" H 3700 3300 60  0000 C CNN
F 1 "LM285LP" H 3750 3100 60  0000 C CNN
F 2 "TO_SOT_Packages_THT:TO-92_Inline_Wide" H 3800 3200 60  0001 C CNN
F 3 "" H 3800 3200 60  0001 C CNN
	1    3800 3200
	0    -1   -1   0   
$EndComp
$Comp
L C_Small C3
U 1 1 585DA2C8
P 3600 3350
F 0 "C3" H 3500 3500 50  0000 L CNN
F 1 "100nF" V 3500 3250 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 3600 3350 50  0001 C CNN
F 3 "" H 3600 3350 50  0000 C CNN
	1    3600 3350
	1    0    0    -1  
$EndComp
$Comp
L R_Small R9
U 1 1 585DA751
P 3650 2900
F 0 "R9" V 3600 2750 50  0000 L CNN
F 1 "1.8k" V 3700 2950 50  0000 L CNN
F 2 "Resistors_ThroughHole:Resistor_Horizontal_RM10mm" H 3650 2900 50  0001 C CNN
F 3 "" H 3650 2900 50  0000 C CNN
	1    3650 2900
	0    -1   -1   0   
$EndComp
$Comp
L +3.3V #PWR08
U 1 1 585DABF5
P 3500 2900
F 0 "#PWR08" H 3500 2750 50  0001 C CNN
F 1 "+3.3V" H 3500 3040 50  0000 C CNN
F 2 "" H 3500 2900 50  0000 C CNN
F 3 "" H 3500 2900 50  0000 C CNN
	1    3500 2900
	0    -1   -1   0   
$EndComp
$Comp
L R_Small R7
U 1 1 585DC6C5
P 2750 1950
F 0 "R7" V 2700 1800 50  0000 L CNN
F 1 "1.2k" V 2800 2050 50  0000 L CNN
F 2 "Resistors_ThroughHole:Resistor_Horizontal_RM10mm" H 2750 1950 50  0001 C CNN
F 3 "" H 2750 1950 50  0000 C CNN
	1    2750 1950
	0    1    1    0   
$EndComp
$Comp
L R_Small R3
U 1 1 585DC7E8
P 2250 2150
F 0 "R3" V 2200 2000 50  0000 L CNN
F 1 "4.7k" V 2300 2250 50  0000 L CNN
F 2 "Resistors_ThroughHole:Resistor_Horizontal_RM10mm" H 2250 2150 50  0001 C CNN
F 3 "" H 2250 2150 50  0000 C CNN
	1    2250 2150
	0    1    1    0   
$EndComp
$Comp
L R_Small R2
U 1 1 585DC8E2
P 2250 2050
F 0 "R2" V 2200 1900 50  0000 L CNN
F 1 "12k" V 2300 2150 50  0000 L CNN
F 2 "Resistors_ThroughHole:Resistor_Horizontal_RM10mm" H 2250 2050 50  0001 C CNN
F 3 "" H 2250 2050 50  0000 C CNN
	1    2250 2050
	0    1    1    0   
$EndComp
$Comp
L R_Small R1
U 1 1 585DCA73
P 2250 1950
F 0 "R1" V 2200 1800 50  0000 L CNN
F 1 "22k" V 2300 2050 50  0000 L CNN
F 2 "Resistors_ThroughHole:Resistor_Horizontal_RM10mm" H 2250 1950 50  0001 C CNN
F 3 "" H 2250 1950 50  0000 C CNN
	1    2250 1950
	0    1    1    0   
$EndComp
$Comp
L CONN_02X03 J1
U 1 1 585DCD3D
P 1850 2050
F 0 "J1" H 1850 2250 50  0000 C CNN
F 1 "CONN_02X03" H 1850 1850 50  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_2x03" H 1850 850 50  0001 C CNN
F 3 "" H 1850 850 50  0000 C CNN
	1    1850 2050
	1    0    0    -1  
$EndComp
$Comp
L C_Small C1
U 1 1 585DE645
P 2750 1800
F 0 "C1" V 2800 1850 50  0000 L CNN
F 1 "100nF" V 2650 1800 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 2750 1800 50  0001 C CNN
F 3 "" H 2750 1800 50  0000 C CNN
	1    2750 1800
	0    1    1    0   
$EndComp
$Comp
L R_Small R5
U 1 1 585DFB4B
P 2400 2450
F 0 "R5" V 2350 2300 50  0000 L CNN
F 1 "0.1" V 2450 2550 50  0000 L CNN
F 2 "Resistors_ThroughHole:Resistor_Horizontal_RM25mm" H 2400 2450 50  0001 C CNN
F 3 "" H 2400 2450 50  0000 C CNN
	1    2400 2450
	-1   0    0    1   
$EndComp
$Comp
L R_Small R6
U 1 1 585DFBC7
P 2500 2450
F 0 "R6" V 2450 2300 50  0000 L CNN
F 1 "0.2" V 2550 2550 50  0000 L CNN
F 2 "Resistors_ThroughHole:Resistor_Horizontal_RM25mm" H 2500 2450 50  0001 C CNN
F 3 "" H 2500 2450 50  0000 C CNN
	1    2500 2450
	-1   0    0    1   
$EndComp
NoConn ~ 1450 2700
NoConn ~ 1450 2800
$Comp
L GNDA #PWR09
U 1 1 586BDF3E
P 2900 3100
F 0 "#PWR09" H 2900 2850 50  0001 C CNN
F 1 "GNDA" H 2900 2950 50  0000 C CNN
F 2 "" H 2900 3100 50  0000 C CNN
F 3 "" H 2900 3100 50  0000 C CNN
	1    2900 3100
	1    0    0    -1  
$EndComp
$Comp
L GNDA #PWR010
U 1 1 586BE074
P 3800 3500
F 0 "#PWR010" H 3800 3250 50  0001 C CNN
F 1 "GNDA" H 3800 3350 50  0000 C CNN
F 2 "" H 3800 3500 50  0000 C CNN
F 3 "" H 3800 3500 50  0000 C CNN
	1    3800 3500
	1    0    0    -1  
$EndComp
$Comp
L GNDA #PWR011
U 1 1 586BE10C
P 3050 1950
F 0 "#PWR011" H 3050 1700 50  0001 C CNN
F 1 "GNDA" H 3050 1800 50  0000 C CNN
F 2 "" H 3050 1950 50  0000 C CNN
F 3 "" H 3050 1950 50  0000 C CNN
	1    3050 1950
	0    -1   -1   0   
$EndComp
$Comp
L GNDA #PWR012
U 1 1 586BE2DA
P 3450 2400
F 0 "#PWR012" H 3450 2150 50  0001 C CNN
F 1 "GNDA" H 3450 2250 50  0000 C CNN
F 2 "" H 3450 2400 50  0000 C CNN
F 3 "" H 3450 2400 50  0000 C CNN
	1    3450 2400
	0    -1   -1   0   
$EndComp
$Comp
L GNDA #PWR013
U 1 1 586BF79A
P 1200 3700
F 0 "#PWR013" H 1200 3450 50  0001 C CNN
F 1 "GNDA" H 1200 3550 50  0000 C CNN
F 2 "" H 1200 3700 50  0000 C CNN
F 3 "" H 1200 3700 50  0000 C CNN
	1    1200 3700
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR014
U 1 1 586BF80E
P 1000 3700
F 0 "#PWR014" H 1000 3450 50  0001 C CNN
F 1 "GND" H 1000 3550 50  0000 C CNN
F 2 "" H 1000 3700 50  0000 C CNN
F 3 "" H 1000 3700 50  0000 C CNN
	1    1000 3700
	0    1    1    0   
$EndComp
$Comp
L CONN_01X04 P4
U 1 1 586C660C
P 6350 3000
F 0 "P4" H 6200 2800 50  0000 C CNN
F 1 "CONN_01X04" V 6450 2900 50  0001 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x04" H 6350 3000 50  0001 C CNN
F 3 "" H 6350 3000 50  0000 C CNN
	1    6350 3000
	1    0    0    -1  
$EndComp
$Comp
L LED D2
U 1 1 586E7BD7
P 4250 4000
F 0 "D2" H 4250 4100 50  0000 C CNN
F 1 "LED" H 4250 3900 50  0001 C CNN
F 2 "LEDs:LED-3MM" H 4250 4000 50  0001 C CNN
F 3 "" H 4250 4000 50  0000 C CNN
	1    4250 4000
	0    -1   -1   0   
$EndComp
$Comp
L R_Small R11
U 1 1 586E8192
P 4250 3600
F 0 "R11" V 4350 3500 50  0000 L CNN
F 1 "1k" V 4300 3700 50  0000 L CNN
F 2 "Resistors_ThroughHole:Resistor_Horizontal_RM10mm" H 4250 3600 50  0001 C CNN
F 3 "" H 4250 3600 50  0000 C CNN
	1    4250 3600
	-1   0    0    1   
$EndComp
$Comp
L CONN_01X04 P3
U 1 1 586E9861
P 4000 3150
F 0 "P3" H 3850 2950 50  0000 C CNN
F 1 "CONN_01X04" V 4100 3050 50  0001 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x04" H 4000 3150 50  0001 C CNN
F 3 "" H 4000 3150 50  0000 C CNN
	1    4000 3150
	-1   0    0    1   
$EndComp
$Comp
L R_Small R10
U 1 1 586EB6C1
P 4050 3600
F 0 "R10" V 4150 3500 50  0000 L CNN
F 1 "1k" V 4100 3700 50  0000 L CNN
F 2 "Resistors_ThroughHole:Resistor_Horizontal_RM10mm" H 4050 3600 50  0001 C CNN
F 3 "" H 4050 3600 50  0000 C CNN
	1    4050 3600
	-1   0    0    1   
$EndComp
$Comp
L LED D1
U 1 1 586EB7F1
P 4050 4000
F 0 "D1" H 4050 4100 50  0000 C CNN
F 1 "LED" H 4050 3900 50  0001 C CNN
F 2 "LEDs:LED-3MM" H 4050 4000 50  0001 C CNN
F 3 "" H 4050 4000 50  0000 C CNN
	1    4050 4000
	0    -1   -1   0   
$EndComp
Connection ~ 2900 3050
Connection ~ 2700 3050
Wire Wire Line
	2900 3050 2700 3050
Wire Wire Line
	1950 2800 1950 3300
Wire Wire Line
	2150 2600 2150 2300
Wire Wire Line
	1450 2600 2150 2600
Connection ~ 2500 3300
Wire Wire Line
	2700 3300 2700 2800
Connection ~ 2500 2300
Wire Wire Line
	2700 2300 2700 2600
Wire Wire Line
	2900 3000 2900 3100
Wire Wire Line
	2150 2300 2700 2300
Connection ~ 2300 3300
Wire Wire Line
	2300 3200 2300 3300
Connection ~ 2400 3300
Wire Wire Line
	2400 3300 2400 3200
Wire Wire Line
	1950 3300 2700 3300
Wire Wire Line
	2500 3300 2500 3200
Wire Wire Line
	2500 2700 2500 2550
Wire Wire Line
	2400 2700 2400 2550
Wire Wire Line
	2300 2700 2300 2550
Connection ~ 2300 2300
Wire Wire Line
	2300 2350 2300 2300
Connection ~ 2400 2300
Wire Wire Line
	2400 2350 2400 2300
Wire Wire Line
	2500 2300 2500 2350
Wire Wire Line
	3000 3100 2950 3100
Wire Wire Line
	3000 3000 3000 3100
Wire Wire Line
	3100 3100 3150 3100
Wire Wire Line
	3100 3000 3100 3100
Wire Wire Line
	2650 1800 2500 1800
Connection ~ 2950 1950
Wire Wire Line
	2950 1800 2950 1950
Wire Wire Line
	2850 1800 2950 1800
Wire Wire Line
	2850 1950 3050 1950
Connection ~ 2500 2050
Wire Wire Line
	2500 2150 2350 2150
Connection ~ 2500 1950
Wire Wire Line
	2500 1800 2500 2150
Wire Wire Line
	2350 1950 2650 1950
Connection ~ 1550 2150
Wire Wire Line
	1550 2150 1600 2150
Wire Wire Line
	1600 2050 1550 2050
Wire Wire Line
	1600 1950 1550 1950
Wire Wire Line
	2100 2150 2150 2150
Wire Wire Line
	2100 2050 2150 2050
Wire Wire Line
	2100 1950 2150 1950
Connection ~ 3800 3200
Wire Wire Line
	3600 3200 3800 3200
Wire Wire Line
	3600 3250 3600 3200
Connection ~ 3800 3450
Wire Wire Line
	3300 3450 3800 3450
Wire Wire Line
	3800 3400 3800 3500
Connection ~ 3800 2900
Wire Wire Line
	3800 2900 3800 3250
Wire Wire Line
	3750 2900 4350 2900
Wire Wire Line
	3500 2900 3550 2900
Connection ~ 3200 2300
Wire Wire Line
	3150 2300 3250 2300
Connection ~ 2900 2300
Wire Wire Line
	2900 2300 2950 2300
Wire Wire Line
	2900 2250 2900 2400
Wire Wire Line
	6250 2750 6100 2750
Wire Wire Line
	6100 2650 6250 2650
Wire Wire Line
	6250 2550 6100 2550
Wire Wire Line
	6450 2750 7100 2750
Wire Wire Line
	6450 2650 7100 2650
Wire Wire Line
	6450 2550 7100 2550
Wire Wire Line
	6450 2450 7100 2450
Wire Wire Line
	6100 2450 6250 2450
Wire Wire Line
	10450 5000 10450 4600
Connection ~ 10450 4250
Wire Wire Line
	10450 4200 10450 4400
Connection ~ 9200 5000
Wire Wire Line
	9200 4600 9200 5000
Connection ~ 5650 4000
Wire Wire Line
	5650 4000 5650 4100
Connection ~ 5400 4000
Wire Wire Line
	5400 3950 5400 4000
Connection ~ 5150 4000
Wire Wire Line
	5150 4000 5700 4000
Wire Wire Line
	5300 4100 5400 4100
Wire Wire Line
	5300 3950 5300 4100
Connection ~ 5400 4300
Connection ~ 5150 4300
Connection ~ 5050 4300
Wire Wire Line
	4050 4300 6050 4300
Wire Wire Line
	5150 3950 5150 4100
Connection ~ 5050 4000
Wire Wire Line
	4950 4000 5050 4000
Wire Wire Line
	4950 3950 4950 4000
Wire Wire Line
	5050 3950 5050 4350
Connection ~ 8550 4700
Connection ~ 9700 5000
Wire Wire Line
	8550 5000 10450 5000
Wire Wire Line
	8550 4650 8550 5000
Connection ~ 9200 4250
Wire Wire Line
	8950 3900 8950 4250
Wire Wire Line
	8150 3900 8950 3900
Wire Wire Line
	8150 3350 8150 4150
Wire Wire Line
	9200 4200 9200 4400
Wire Wire Line
	8950 4250 9300 4250
Connection ~ 1950 2600
Wire Wire Line
	1550 2700 1950 2700
Wire Wire Line
	1550 2900 1450 2900
Connection ~ 1550 2700
Wire Wire Line
	2350 2050 3750 2050
Wire Wire Line
	1050 2400 1500 2400
Wire Wire Line
	1500 2400 1500 2600
Connection ~ 1500 2600
Wire Wire Line
	3300 2800 4350 2800
Wire Wire Line
	4350 2600 3750 2600
Wire Wire Line
	3750 2600 3750 2050
Wire Wire Line
	4350 2700 3300 2700
Wire Wire Line
	1550 1950 1550 2900
Connection ~ 1550 2050
Wire Wire Line
	3450 2400 3000 2400
Wire Wire Line
	1000 3700 1200 3700
Wire Wire Line
	4200 3100 4350 3100
Wire Wire Line
	4200 3200 4350 3200
Wire Wire Line
	4050 3400 4350 3400
Wire Wire Line
	4250 3500 4350 3500
Wire Wire Line
	6100 2850 6150 2850
Wire Wire Line
	6150 2950 6100 2950
Wire Wire Line
	6100 3050 6150 3050
Wire Wire Line
	6150 3150 6100 3150
Wire Wire Line
	10100 4250 10450 4250
Wire Wire Line
	4050 3400 4050 3500
Wire Wire Line
	4250 3700 4250 3850
Wire Wire Line
	4050 3700 4050 3850
Wire Wire Line
	4050 4150 4050 4300
Wire Wire Line
	4250 4150 4250 4300
Connection ~ 4250 4300
$Comp
L R_Small R17
U 1 1 586EE52B
P 7200 2450
F 0 "R17" V 7200 2350 50  0000 L CNN
F 1 "10k" V 7250 2550 50  0000 L CNN
F 2 "Resistors_ThroughHole:Resistor_Horizontal_RM10mm" H 7200 2450 50  0001 C CNN
F 3 "" H 7200 2450 50  0000 C CNN
	1    7200 2450
	0    -1   -1   0   
$EndComp
$Comp
L R_Small R18
U 1 1 586EE5EC
P 7200 2550
F 0 "R18" V 7200 2450 50  0000 L CNN
F 1 "10k" V 7250 2650 50  0000 L CNN
F 2 "Resistors_ThroughHole:Resistor_Horizontal_RM10mm" H 7200 2550 50  0001 C CNN
F 3 "" H 7200 2550 50  0000 C CNN
	1    7200 2550
	0    -1   -1   0   
$EndComp
$Comp
L R_Small R19
U 1 1 586EE688
P 7200 2650
F 0 "R19" V 7200 2550 50  0000 L CNN
F 1 "10k" V 7250 2750 50  0000 L CNN
F 2 "Resistors_ThroughHole:Resistor_Horizontal_RM10mm" H 7200 2650 50  0001 C CNN
F 3 "" H 7200 2650 50  0000 C CNN
	1    7200 2650
	0    -1   -1   0   
$EndComp
$Comp
L R_Small R20
U 1 1 586EE71F
P 7200 2750
F 0 "R20" V 7200 2650 50  0000 L CNN
F 1 "10k" V 7250 2850 50  0000 L CNN
F 2 "Resistors_ThroughHole:Resistor_Horizontal_RM10mm" H 7200 2750 50  0001 C CNN
F 3 "" H 7200 2750 50  0000 C CNN
	1    7200 2750
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR015
U 1 1 586EEA4D
P 7400 2250
F 0 "#PWR015" H 7400 2000 50  0001 C CNN
F 1 "GND" H 7400 2100 50  0000 C CNN
F 2 "" H 7400 2250 50  0000 C CNN
F 3 "" H 7400 2250 50  0000 C CNN
	1    7400 2250
	-1   0    0    1   
$EndComp
Connection ~ 6550 2450
Connection ~ 6550 2550
Connection ~ 6550 2650
Connection ~ 6550 2750
Wire Wire Line
	7400 2750 7300 2750
Wire Wire Line
	7400 2250 7400 3050
Wire Wire Line
	7300 2450 7400 2450
Connection ~ 7400 2450
Wire Wire Line
	7300 2550 7400 2550
Connection ~ 7400 2550
Wire Wire Line
	7300 2650 7400 2650
Connection ~ 7400 2650
$Comp
L MCP2200 IC1
U 1 1 58909768
P 7100 4000
F 0 "IC1" H 7150 4550 60  0000 C CNN
F 1 "MCP2200" V 7100 3750 60  0000 C CNN
F 2 "Housings_SOIC:SOIC-20_7.5x12.8mm_Pitch1.27mm" H 7100 4000 60  0001 C CNN
F 3 "" H 7100 4000 60  0001 C CNN
	1    7100 4000
	1    0    0    1   
$EndComp
Wire Wire Line
	7950 4700 8550 4700
Wire Wire Line
	8150 4250 7750 4250
Wire Wire Line
	7100 4150 8050 4150
Wire Wire Line
	7100 4700 7100 4150
Wire Wire Line
	8050 4150 8050 3750
Wire Wire Line
	8050 3750 10100 3750
Connection ~ 10100 4250
Connection ~ 7750 4150
Wire Wire Line
	7750 4450 8150 4450
Wire Wire Line
	7950 3750 7950 4700
Connection ~ 7950 4450
$Comp
L C_Small C7
U 1 1 5890C279
P 7450 4700
F 0 "C7" H 7460 4770 50  0000 L CNN
F 1 "100nF" H 7460 4620 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 7450 4700 50  0001 C CNN
F 3 "" H 7450 4700 50  0000 C CNN
	1    7450 4700
	0    1    1    0   
$EndComp
Wire Wire Line
	6450 4450 6450 4700
Wire Wire Line
	5950 4700 7350 4700
Wire Wire Line
	7750 4450 7750 4700
Wire Wire Line
	7750 4700 7550 4700
Wire Wire Line
	6450 3550 6100 3550
Wire Wire Line
	6100 3450 7900 3450
Wire Wire Line
	7900 3450 7900 3650
Wire Wire Line
	7900 3650 7750 3650
Wire Wire Line
	7750 3750 7950 3750
$Comp
L R_Small R12
U 1 1 5890C815
P 5950 4300
F 0 "R12" V 5900 4150 50  0000 L CNN
F 1 "1k" V 6000 4400 50  0000 L CNN
F 2 "Resistors_ThroughHole:Resistor_Horizontal_RM10mm" H 5950 4300 50  0001 C CNN
F 3 "" H 5950 4300 50  0000 C CNN
	1    5950 4300
	-1   0    0    1   
$EndComp
$Comp
L Crystal_GND2 Y1
U 1 1 5890CF9C
P 6250 4300
F 0 "Y1" H 6250 4525 50  0000 C CNN
F 1 "12Mhz" H 6250 4450 50  0000 C CNN
F 2 "local:Crystal_HC49-U_Vertical_3Pin_fixed" H 6250 4300 50  0001 C CNN
F 3 "" H 6250 4300 50  0001 C CNN
	1    6250 4300
	0    1    1    0   
$EndComp
Wire Wire Line
	6450 4350 6400 4350
Wire Wire Line
	6400 4350 6400 4450
Wire Wire Line
	6400 4450 6250 4450
Wire Wire Line
	6450 4250 6400 4250
Wire Wire Line
	6400 4250 6400 4150
Wire Wire Line
	6400 4150 6250 4150
Wire Wire Line
	6450 4150 6450 4100
Wire Wire Line
	6450 4100 5950 4100
Wire Wire Line
	5950 4100 5950 4200
Wire Wire Line
	5950 4400 5950 4700
Connection ~ 6450 4700
Connection ~ 5650 4300
Connection ~ 7100 4700
NoConn ~ 6450 3650
NoConn ~ 6450 3750
NoConn ~ 6450 3850
NoConn ~ 6450 3950
NoConn ~ 6450 4050
NoConn ~ 7750 4050
NoConn ~ 7750 3850
NoConn ~ 7750 3550
Wire Wire Line
	8150 4350 7750 4350
Wire Wire Line
	10100 3750 10100 4250
Wire Wire Line
	9700 4550 9700 5050
Wire Wire Line
	3300 2800 3300 3450
Connection ~ 3600 3450
Wire Wire Line
	4350 3000 4200 3300
Wire Wire Line
	4350 3300 4200 3000
NoConn ~ 7750 3950
$Comp
L R_Small R21
U 1 1 589ADC13
P 4350 2250
F 0 "R21" V 4350 2150 50  0000 L CNN
F 1 "1k" V 4400 2350 50  0000 L CNN
F 2 "Resistors_ThroughHole:Resistor_Horizontal_RM10mm" H 4350 2250 50  0001 C CNN
F 3 "" H 4350 2250 50  0000 C CNN
	1    4350 2250
	1    0    0    -1  
$EndComp
$Comp
L +3.3V #PWR016
U 1 1 589ADD4B
P 4350 2050
F 0 "#PWR016" H 4350 1900 50  0001 C CNN
F 1 "+3.3V" H 4350 2190 50  0000 C CNN
F 2 "" H 4350 2050 50  0000 C CNN
F 3 "" H 4350 2050 50  0000 C CNN
	1    4350 2050
	1    0    0    -1  
$EndComp
Wire Wire Line
	4350 2050 4350 2150
Wire Wire Line
	4350 2350 4350 2500
$Comp
L CONN_01X02 P7
U 1 1 589AF34B
P 4100 2200
F 0 "P7" H 4100 2350 50  0000 C CNN
F 1 "CONN_01X02" V 4200 2200 50  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x02" H 4100 2200 50  0001 C CNN
F 3 "" H 4100 2200 50  0000 C CNN
	1    4100 2200
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR017
U 1 1 589AF41B
P 3950 2500
F 0 "#PWR017" H 3950 2250 50  0001 C CNN
F 1 "GND" H 3950 2350 50  0000 C CNN
F 2 "" H 3950 2500 50  0000 C CNN
F 3 "" H 3950 2500 50  0000 C CNN
	1    3950 2500
	0    1    1    0   
$EndComp
Wire Wire Line
	4150 2400 4150 2500
Wire Wire Line
	4150 2500 4350 2500
Wire Wire Line
	4050 2400 4050 2500
Wire Wire Line
	4050 2500 3950 2500
$Comp
L CONN_01X04 P8
U 1 1 589B0853
P 6900 3200
F 0 "P8" H 6750 3000 50  0000 C CNN
F 1 "CONN_01X04" V 7000 3100 50  0001 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x04" H 6900 3200 50  0001 C CNN
F 3 "" H 6900 3200 50  0000 C CNN
	1    6900 3200
	1    0    0    -1  
$EndComp
Wire Wire Line
	6100 3250 6500 3250
Wire Wire Line
	6500 3250 6500 3150
Wire Wire Line
	6500 3150 6700 3150
Wire Wire Line
	6100 3350 6550 3350
Wire Wire Line
	6550 3350 6550 3250
Wire Wire Line
	6550 3250 6700 3250
Wire Wire Line
	7400 3050 6700 3050
Connection ~ 7400 2750
Wire Wire Line
	6700 3350 8150 3350
Connection ~ 8150 3900
$EndSCHEMATC